(fix) Update log patcher

The unimportant events have changed names.
(fix) LP #143352 Log the client ip in proxy case

This implements the idea of the patch from
https://bugs.launchpad.net/zope2/+bug/143352
but also honours the trusted-proxy setting.
Products.ZCatalog = 2.13.24
Products.ZCatalog = 2.13.25
Products.ZCatalog = 2.13.26
merge hotfixes from Products.PloneHotfix20131210
add note
Products.ZCatalog = 2.13.27
Products.ZCTextIndex = 2.13.5
prepare
vb
Merge branch '2.13'